The table below looks at the statistics for CentOS skills in IT contracts advertised for the Berkshire region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 21 February 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
21 Feb 2017
Same period 2016 Same period 2015
CentOS Linux
South East / Berkshire
Rank 76 94 128
Rank change year-on-year
+18 +34
Contract jobs citing CentOS 31 32 8
As % of all contract IT jobs located in Berkshire 1.54% 1.27% 0.29%
As % of the Operating Systems category 11.27% 6.65% 1.52%
Number of daily rates quoted 29 24 2
Median daily rate £525 £449 £434
Median daily rate % change year-on-year
+16.99% +3.45%
90% offered a daily rate of more than £475 £418 £421
10% offered a daily rate of more than £600 £500 £447
UK excluding London median daily rate £455 £450 £375
% change year-on-year
+1.11% +20.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £16.38 £8.50 £47.50
% change year-on-year
+92.64% -82.10%

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Berkshire region.

Operating Systems Category
Berkshire
Contract IT job ads with a match in the
Operating Systems category
275 481 526
As % of all contract IT jobs located in Berkshire 13.65% 19.10% 19.00%
Number of daily rates quoted 147 279 264
Median daily rate £425 £353 £350
Median daily rate % change year-on-year
+20.56% +0.71%
90% offered a daily rate of more than £225 £200 £188
10% offered a daily rate of more than £600 £500 £490
UK excluding London median daily rate £363 £350 £338
% change year-on-year
+3.57% +3.70%
Number of hourly rates quoted 30 30 32
Median hourly rate £27.50 £19.00 £16.50
Median hourly rate % change year-on-year
+44.73% +15.15%
90% offered a hourly rate of more than £12.00 £14.00 £13.00
10% offered a hourly rate of more than £52.50 £60.06 £55.65
UK excluding London median hourly rate £16.00 £17.50 £16.00
% change year-on-year
-8.57% +9.37%

CentOS
Jobs Demand Trend in Berkshire

The demand trend of contract jobs across the Berkshire region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Berkshire

CentOS
Daily Rate Trend in Berkshire

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CentOS across the Berkshire region.

CentOS Daily Rate Trend in Berkshire

CentOS
Daily Rate Histogram in Berkshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Berkshire region over the 3 months to 21 February 2017.

CentOS Daily Rate Histogram in Berkshire

CentOS
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Berkshire region over the 3 months to 21 February 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Reading +6 21 £500 +11.73% 5
Windsor +8 6 £550 +10.00%
Maidenhead - 2 - -
Bracknell 0 1 £450 -21.73%
CentOS
South East

CentOS
Top 30 Related IT Skills in Berkshire

For the 6 months to 21 February 2017, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Berkshire region with a requirement for CentOS.

1 46 (100.00%) Linux
2 32 (69.57%) Python
3 30 (65.22%) Ubuntu
4 29 (63.04%) Ansible
4 29 (63.04%) DevOps
5 27 (58.70%) Red Hat Enterprise Linux
5 27 (58.70%) Java
6 24 (52.17%) Debian
6 24 (52.17%) Git (software)
7 23 (50.00%) Bash Shell
8 21 (45.65%) Puppet
8 21 (45.65%) SC Cleared
8 21 (45.65%) Security Cleared
8 21 (45.65%) Unix
8 21 (45.65%) Red Hat
9 20 (43.48%) JavaScript
9 20 (43.48%) SSH
9 20 (43.48%) SELinux
9 20 (43.48%) Opscode Chef
10 19 (41.30%) Hadoop
11 17 (36.96%) Prototyping
12 16 (34.78%) HTTP
13 15 (32.61%) TCP/IP
13 15 (32.61%) ICMP
13 15 (32.61%) Linux Command Line
14 14 (30.43%) Jenkins
15 11 (23.91%) VMware
15 11 (23.91%) Open Source
16 10 (21.74%) VMware Infrastructure
17 9 (19.57%) Ruby

CentOS
Top Related IT Skills in Berkshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 7 (15.22%) OpenStack
2 6 (13.04%) Apache
3 5 (10.87%) Confluence
4 4 (8.70%) WebSphere
5 2 (4.35%) IIS
5 2 (4.35%) Jetty
5 2 (4.35%) nginx
5 2 (4.35%) Tomcat
6 1 (2.17%) JBoss
6 1 (2.17%) SAS
Cloud Services
1 7 (15.22%) Amazon AWS
2 5 (10.87%) GitHub
3 4 (8.70%) AWS CloudFormation
3 4 (8.70%) AWS Lambda
4 3 (6.52%) Microsoft Azure
Communications & Networking
1 20 (43.48%) SSH
2 16 (34.78%) HTTP
3 15 (32.61%) ICMP
3 15 (32.61%) TCP/IP
4 8 (17.39%) Firewall
5 3 (6.52%) LDAP
6 1 (2.17%) DHCP
6 1 (2.17%) DNS
6 1 (2.17%) Fibre Channel
6 1 (2.17%) IMAP
6 1 (2.17%) iSCSI
6 1 (2.17%) MRTG
6 1 (2.17%) SMTP
6 1 (2.17%) Software-Defined Networking
Database & Business Intelligence
1 19 (41.30%) Hadoop
2 6 (13.04%) Big Data
3 4 (8.70%) Amazon DynamoDB
4 1 (2.17%) MySQL
4 1 (2.17%) RDBMS
4 1 (2.17%) Relational Database
Development Applications
1 24 (52.17%) Git (software)
2 14 (30.43%) Jenkins
3 6 (13.04%) Hudson
4 5 (10.87%) JIRA
4 5 (10.87%) Subversion
4 5 (10.87%) Vagrant
5 4 (8.70%) Bitbucket
6 2 (4.35%) Eclipse
6 2 (4.35%) TeamCity
6 2 (4.35%) Visual Studio
General
1 2 (4.35%) Telecoms
2 1 (2.17%) Manufacturing
2 1 (2.17%) Retail
Job Titles
1 19 (41.30%) Developer
2 14 (30.43%) DevOps Engineer
3 12 (26.09%) Administrator
3 12 (26.09%) Linux Administrator
3 12 (26.09%) Linux Systems Administrator
3 12 (26.09%) Systems Administrator
4 10 (21.74%) Linux/Unix DevOps
5 9 (19.57%) Java Developer
5 9 (19.57%) JavaScript Developer
5 9 (19.57%) Python Developer
6 8 (17.39%) Consultant
6 8 (17.39%) DevOps Consultant
6 8 (17.39%) Java Consultant
6 8 (17.39%) Java Engineer
6 8 (17.39%) JavaScript Engineer
6 8 (17.39%) VMWare Administrator
7 7 (15.22%) Open Source Developer
8 5 (10.87%) AWS DevOps
9 4 (8.70%) Hadoop Engineer
9 4 (8.70%) Java Hadoop Developer
Libraries, Frameworks & Software Standards
1 3 (6.52%) CGI
2 2 (4.35%) .NET
3 1 (2.17%) LAMP
3 1 (2.17%) LEMP Stack
3 1 (2.17%) Web Services
Miscellaneous
1 15 (32.61%) Linux Command Line
2 4 (8.70%) Private Cloud
3 2 (4.35%) Computer Science
4 1 (2.17%) Data Centre
Operating Systems
1 46 (100.00%) Linux
2 30 (65.22%) Ubuntu
3 27 (58.70%) Red Hat Enterprise Linux
4 24 (52.17%) Debian
5 21 (45.65%) Unix
6 4 (8.70%) Windows
7 1 (2.17%) Mac OS
7 1 (2.17%) Solaris
Processes & Methodologies
1 29 (63.04%) DevOps
2 17 (36.96%) Prototyping
3 11 (23.91%) Open Source
4 8 (17.39%) Data Management
5 6 (13.04%) Configuration Management
5 6 (13.04%) Open Source Development
6 5 (10.87%) Continuous Integration
7 3 (6.52%) Application Performance Management
7 3 (6.52%) Performance Management
8 2 (4.35%) Process Improvement
8 2 (4.35%) Project Management
8 2 (4.35%) Stakeholder and Relationship Management
8 2 (4.35%) Stakeholder Management
8 2 (4.35%) Time Management
9 1 (2.17%) Cybersecurity
Programming Languages
1 32 (69.57%) Python
2 27 (58.70%) Java
3 23 (50.00%) Bash Shell
4 20 (43.48%) JavaScript
5 9 (19.57%) Ruby
6 2 (4.35%) C#
6 2 (4.35%) Perl
6 2 (4.35%) PHP
7 1 (2.17%) C
7 1 (2.17%) Korn
7 1 (2.17%) Shell Script
Qualifications
1 21 (45.65%) SC Cleared
1 21 (45.65%) Security Cleared
2 8 (17.39%) CCNA
2 8 (17.39%) CCNP
2 8 (17.39%) Cisco Certification
3 2 (4.35%) CISA
3 2 (4.35%) Degree
System Software
1 10 (21.74%) VMware Infrastructure
2 8 (17.39%) Docker
3 2 (4.35%) Active Directory
3 2 (4.35%) KVM
4 1 (2.17%) Ceph
4 1 (2.17%) Dovecot
4 1 (2.17%) iptables
4 1 (2.17%) Sendmail
4 1 (2.17%) Squid
4 1 (2.17%) vCloud
4 1 (2.17%) VMware ESXi
Systems Management
1 29 (63.04%) Ansible
2 21 (45.65%) Puppet
3 20 (43.48%) Opscode Chef
3 20 (43.48%) SELinux
4 9 (19.57%) Nagios
5 6 (13.04%) Terraform
6 5 (10.87%) Pingdom
7 3 (6.52%) Consul
8 1 (2.17%) Cacti
8 1 (2.17%) HAProxy
8 1 (2.17%) Oracle ZFS
8 1 (2.17%) RANCID
Vendors
1 21 (45.65%) Red Hat
2 11 (23.91%) VMware
3 9 (19.57%) Cisco
4 8 (17.39%) EMC
5 6 (13.04%) AppDynamics
6 5 (10.87%) Atlassian
6 5 (10.87%) PagerDuty
7 1 (2.17%) New Relic
7 1 (2.17%) Oracle